About: http://webisa.webdatacommons.org/181488834

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Prior to the present invention, the fixture box whether plastic or metal was anchored to a stud or joist by screws or nails before installing any finished wall material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com